<template>
  <div  class="app-container">
    <div class="el-toolbar">
      <div class="el-toolbar-body" style="justify-content: flex-start;">
        <el-button type="text" @click="exportData"><i class="fa fa-plus"/> 导出</el-button>
        <el-button type="text" @click="importData"><i class="fa fa-plus"/> 导入</el-button>
      </div>
    </div>
    <el-table
      :data="list"
      style="width: 100%"
      row-key="id"
      border
      lazy
      :load="load"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}">

      <el-table-column
        prop="name"
        label="名称"
        width="150">
      </el-table-column>

      <el-table-column
        prop="dictCode"
        label="编码"
        width="150">
      </el-table-column>

      <el-table-column
        prop="value"
        label="值"
        width="150">
      </el-table-column>

      <el-table-column
        prop="createTime"
        label="创建时间">
      </el-table-column>

    </el-table>
    <el-dialog title="导入":visible.sync="dialogImportVisible"width="480px">
      <el-form label-position="right" label-width="170px">
        <el-form-item label="文件">
          <el-upload
            :multiple="false"
            :on-success="onUploadSuccess"
            :action="'http://localhost:8202/admin/cmn/dict/importData'"
            class="upload-demo">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传xls文件，且不超过500kb</div>
          </el-upload>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogImportVisible = false">取消</el-button>
      </div>
    </el-dialog>
  </div>
</template>
<script>
  import dict from '@/api/yygh/dict'
  export default {
    data() {
      return {
        list:[], //数据字典列表数组
        dialogImportVisible:false
      }
    },
    created() {
      //在页面加载的时候调用列表查询方法
      this.getDictList(1);
    },
    methods: {
      //数据字典列表
      getDictList(id){
        dict.getDictList(id).then(res=>{
          this.list = res.data.list
        })
      },
      //加载父列表数据中的子列表数据
      load(tree,treeNode,resolve){
        dict.getDictList(tree.id).then(res=>{
          resolve(res.data.list)
        })
      },
      //数据字典导出接口实现
      exportData() {
        window.open("http://localhost:8202/admin/cmn/dict/exportData")
      },
      //点击导入按钮的时候打开导入文件的对话框
      importData(){
        this.dialogImportVisible = true
      },
      //文件导入成功的提示消息
      onUploadSuccess(response,file){
        this.$message.info('上传成功')
        this.dialogImportVisible = false
        this.getDictList(1)
      }
    }
  }
</script>
